Improvement in machine for manufacturing metal cans



J. MAYS & E. W. BLISS. MACHINE FOR MANUFACTURING METAL CANS.

No. 91,248. Patented June 15, 1869.

dinitml tatw JOHN MAYS AND ELIPHALET W. BLISS, OF BROOKLYN, NEW YORK.

Letters Pa-tent No. 91,248, dated June 15, 1,869.

IMPROVEMENT IN MACHINE FOR MANUFACTURING- METAL CANS.

The Schedule referred to in these Letters Patent and. making part of the same.

To all whom it may concern Be it known that we, J OHN MAYS andELIPHALE'r W. BLISS, of Brooklyn, in the county of Kings, and State of New York, have invented a new and useful Improvement in Squeezing-Machines for the Mann- -facture of Metal Cans, and we do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

-Our invention relat s to squeezing-machines for the manufactured metal. ns; and

Ourimprovement consists ina new arrangement of the cap for holding the can in place upon the machine; second, in the use of swinging jaws, instead of sliding ones; in the use of elbow-levers with toggle-joints, for moving the jaws and levers attached thereto.

In the accompanying drawings a side view of our machine is represented.

In the construction of our improved squeezing-machine for the manufacture of metal cans, a suitable table, A, is made, with legs, B.

Upon one side of this table is placed a standard, 0, which supports a lever, D, and slide, E, the latter being connected with and moving the cap F. This cap is intended to rest upon and hold a tin can, or the body of the same, while the sides are bent, and also the top and bottom, as will soon be more fully explained.

This cap is pressed down upon' the can by means of the treadle G and connecting-red H, with the lever D and slide E, above mentioned.

The four jaws J are firmly attached to the main levers K, and the levers are provided with pivots, or fulcra, L, so that the jaws swing, or move in the arc of a circle. 7

The lower ends of the main levers K are connected with short elbow-levers, or toggle-joints M, all connected with a centrepiece, N, which is moved by treadle O and connecting-rod P.

By the above construction and arrangement, the cap F has a positive and definite motion, and holds the can firmly in place. The jaw and main lever, being in one piece, is stronger, and less liable to spring than the sliding jaws, separate from the lever, as heretofore used.

By the-arrangement of the toggle-joint levers, the pressure increases as the work is nearly completed, and as the jaw moves in the arc of a circle, the top or bottom of .a can may be put on more firmly, and, by changing the bearings and jaws, the madhine may be adapted to work on an angle or flat, or to turnthe seam on a semicircle.

We do not broadly claim a sliding cap to hold the can in place, or the pivots of the levers which work the jaws; but we believe the slide, being directly above the cam, in the centre of the machine, is a new arrangement, and it is also new to work the slide by a treadle; and it is a great improvement to make the jaw and main lever in one piece.

Having thus fully described our invention,

What we claim, is-

1. The construction and arrangement of the sliding cap E F, supported on the oblique standard 0, in combination with the lever D, rod H, and treadle G, sub stantially as set forth.

2. The swinging jaws J, made in the same piece with the levers K, or firmly attachgd thereto by a fixed joint, substantially as described.

3. The toggle-joint M, in combination with the central niece, or slide N, the levers K, and swinging jaws J, substantially as specified.

'JQHN MAYS.

ELIPHALET W. BLISS.

Witnesses:

CHAS. E. Fnosr, A. G. Jomss. 

